垂直轴机械式变攻角风力发电机.docx

肀蒀目录膅第1章 绪论·························································2膆 ·················································2蒁 ···············································3羈第2章 风能资源·····················································5膈 风能的计算·······················································5芆 山东省各市统计平均风速、风向和风向频率···························5袂第3章 垂直轴变攻角风轮装置·········································6蚀 装置的介绍·······················································6羇第4章solidworksflowsimulation在设计中的应用·····························7莆 solidworksflowsimulation简介·······································7芃 solidworksflowsimulation在本项目中的应用··························· solidworksflowsimulation对模型的流体分析···························7蚆第5章发电机和整流稳压电路·········································10蒅 发电机的选用·····················································10蚄 整流滤波升压电路·················································11袀第6章 项目总体情况·················································12蝿 项目完成情况·····················································12薅 项目成果·························································12袁 项目的目的意义、达到的目标和学****收获·····························13薂 对大学生创新项目的建议···········································13薈参考文献·································································13蚅节羀芇蚅蚃螁第1章 肆螅绪论肄腿 能源紧缺促进新能源技术的开发和利用,相对于其他能源,风能以其清洁和容易利用而受到人们的青睐,小型风力发电机轻便、效率高、能源免费等优点非常适合家庭照明和其他低功率用途。只需要初期投资建设费用,后期基本不需要维护,而得到源源不断的清洁免费的风电。现在市面上销售的风力发电机由于价格较高而得不到推广,同时发动机的启动风速又比较高风速较低时风力发电机就成了摆设,根本不发电。垂直轴阻力型风力发电机启动风速减小,但效率普遍较低。肈 本项目的目的是设计一种简单的成本较低同时效率较高的垂直轴攻角可变的风力发电机,尝试通过利用计算机辅助设计和分析,减少项目开发的成本和时间。袅膀袁风力发电现状介绍袇羅现在风力发电应用还是比较多的,有很多大型的风电场,风力发电是一种制作比较简单,制作成本和维护成本较高的发电方式,它的优点是绿色环保,理想的绿色能源。目前主流风轮有三种:薁荿右图是水平轴大型风力发电机,翼型的扇叶有效提高风能利用效率,主要用于大型风电场,常年风力较大而且风向不变,这种风力发电机效率较高维护成本低。蚆肅羂右图是一种比较常见的垂直轴升力型风力发电机,适合家庭使用,需要风力较大,风速高时效率是最高的,结构简单维护成本低,低风速时优势不明显,翼型加工较困难。总的来说是非常好的设计。肁虿膄莃右图是垂直轴阻力型风力发电机,结构简单制作容易而且维护成本低,缺点是效率较低,弧面回程时受阻力,降低了风轮的风能利用率。蕿蒈芄螄各种创新型风力发电芁***在尾部装上对风装置的水平轴发电机也有